Vehicle-mounted network communication equipment based on shared antenna of automobile radio antenna

The embodiment of the utility model discloses vehicle-mounted network communication equipment based on a shared antenna of an automobile radio antenna, and the equipment comprises the automobile radioantenna, an antenna interface, a protection circuit, a filter matching circuit, a multilayer antenna multiplexer, a duplexer, a radio frequency power amplifier IC, and an RF radio frequency transceiver IC. Wherein the protection circuit, the filter matching circuit, the antenna interface and the multilayer antenna multiplexer are electrically connected, the multilayer antenna multiplexer is connected with the radio frequency power amplifier IC and the RF transceiver IC through the duplexer, the radio frequency power amplifier IC is connected with the RF transceiver IC, and the multilayer antenna multiplexer is connected with a radio frequency module of an automobile. According to the utility model, the automobile radio antenna is used as a network antenna, the dependence of equipment on external antenna types can